When comparing Piggydb vs Draft, the Slant community recommends Draft for most people. In the question“What is the best cross-platform note-taking app?” Draft is ranked 32nd while Piggydb is ranked 58th. The most important reason people chose Draft is:
Draft supports [Github style Markdown Todos](https://github.com/blog/1375-task-lists-in-gfm-issues-pulls-comments).
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Pros
Pro Creativity
Piggydb is a knowledge building application. You can think of it as a mix of notetaking, outliner and concept map all together, but with the flexibility to do more than that. Its non-linear system and bottom-up or heuristic approach gives you the possibility of creativity to discover new concepts and ideas based on your input. There is no wrong way of using Piggydb. It helps you to elaborate your own knowledge.
Pro Free
Pro Hierarchical tags
Hierarchy for tags gives more flexibility than folders for classifying and structuring your content. It even allows to have parallel hierarchies for the same content using the same tags, connecting your notes together, but in different order. It is up to your needs and creativity.
Pro Markdown to-dos
Draft supports Github style Markdown Todos.
Pro Hemingway Mode
Draft will turn off the ability to delete anything in the document. It will be possible to only write at the end of what's already written. It won't allow going back; only forward.
"Write drunk; edit sober" -Ernest Hemingway.
Pro Cloud sync
Documents can be imported from cloud services like Dropbox, Evernote, Box, Google Drive.
Pro Version control
With documents shared with Draft, any changes collaborator made by collaborators are on their own copy of the document, and the user gets to accept or ignore each individual change made.